Method and apparatus for producing tractive effort
First Claim
1. An apparatus for producing tractive effort, said apparatus comprising:
- an energy source adapted for generating a high DC voltage;
a motor drive adapted for generating a motor voltage from said high DC voltage; and
a motor adapted for producing said tractive effort from said motor voltage, said energy source comprising;
a heat engine adapted for generating mechanical power by burning a fuel;
an alternator adapted for generating an alternating voltage from said mechanical power;
a rectifier adapted for rectifying said alternating voltage and producing a low DC voltage;
an energy battery adapted for storing and delivering energy derived from said low DC voltage; and
a traction boost converter adapted for boosting said low DC voltage to produce said high DC voltage, said motor drive comprising;
a power battery adapted for storing energy and delivering power at said high DC voltage; and
a traction converter adapted for generating said motor voltage from said high DC voltage during motoring operation and for generating said high DC voltage from said motor voltage during braking operation.
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Accused Products
Abstract
An apparatus for producing tractive effort, the apparatus comprising: an energy source adapted for generating a high DC voltage; a motor drive adapted for generating a motor voltage from the high DC voltage; and a motor adapted for producing the tractive effort from the motor voltage, the energy source comprising: a heat engine adapted for generating mechanical power by burning a fuel; an alternator adapted for generating an alternating voltage from the mechanical power; a rectifier adapted for rectifying the alternating voltage and producing a low DC voltage; an energy battery adapted for storing and delivering energy derived from the low DC voltage; and a traction boost converter adapted for boosting the low DC voltage to produce the high DC voltage, the motor drive comprising: a power battery adapted for storing energy and delivering power at the high DC voltage; and a traction converter adapted for generating the motor voltage from the high DC voltage during motoring operation and for generating the high DC voltage from the motor voltage during braking operation.
26 Citations
68 Claims
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1. An apparatus for producing tractive effort, said apparatus comprising:
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an energy source adapted for generating a high DC voltage;
a motor drive adapted for generating a motor voltage from said high DC voltage; and
a motor adapted for producing said tractive effort from said motor voltage, said energy source comprising;
a heat engine adapted for generating mechanical power by burning a fuel;
an alternator adapted for generating an alternating voltage from said mechanical power;
a rectifier adapted for rectifying said alternating voltage and producing a low DC voltage;
an energy battery adapted for storing and delivering energy derived from said low DC voltage; and
a traction boost converter adapted for boosting said low DC voltage to produce said high DC voltage, said motor drive comprising;
a power battery adapted for storing energy and delivering power at said high DC voltage; and
a traction converter adapted for generating said motor voltage from said high DC voltage during motoring operation and for generating said high DC voltage from said motor voltage during braking operation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method for producing tractive effort, said method comprising:
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generating a high DC voltage;
generating a motor voltage from said high DC voltage; and
producing said tractive effort from said motor voltage, said act of generating said high DC voltage comprising;
burning a fuel to generate mechanical power;
generating an alternating voltage from said mechanical power using an alternator;
rectifying said alternating voltage to produce a low DC voltage using a rectifier;
storing and delivering energy derived from said low DC voltage using an energy battery; and
boosting said low DC voltage to produce said high DC voltage, said act of generating a motor voltage comprising;
storing energy and delivering power at said high DC voltage using a power battery; and
generating said motor voltage from said high DC voltage during motoring operation and generating said high DC voltage from said motor voltage during braking operation. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. A locomotive for producing tractive effort, said locomotive comprising:
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an energy source adapted for generating a high DC voltage;
a motor drive adapted for generating a motor voltage from said high DC voltage;
a motor adapted for producing a motor torque from said motor voltage; and
a wheel adapted for producing said tractive effort from said motor torque and applying said tractive effort to a rail, said energy source comprising;
a heat engine adapted for generating mechanical power by burning a fuel;
an alternator adapted for generating an alternating voltage from said mechanical power;
a rectifier adapted for rectifying said alternating voltage and producing a low DC voltage;
an energy battery adapted for storing and delivering energy derived from said low DC voltage; and
a traction boost converter adapted for boosting said low DC voltage to produce said high DC voltage, said motor drive comprising;
a power battery adapted for storing energy and delivering power at said high DC voltage; and
a traction converter adapted for generating said motor voltage from said high DC voltage during motoring operation and for generating said high DC voltage from said motor voltage during braking operation. - View Dependent Claims (36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51)
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52. An off-highway vehicle for producing tractive effort, said off-highway vehicle comprising:
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an energy source adapted for generating a high DC voltage;
a motor drive adapted for generating a motor voltage from said high DC voltage;
a motor adapted for producing a motor torque from said motor voltage;
a wheel adapted for producing a wheel torque from said motor torque; and
a tire adapted for producing said tractive effort from said wheel torque and applying said tractive effort to an off-highway surface, said energy source comprising;
a heat engine adapted for generating mechanical power by burning a fuel;
an alternator adapted for generating an alternating voltage from said mechanical power;
a rectifier adapted for rectifying said alternating voltage and producing a low DC voltage;
an energy battery adapted for storing and delivering energy derived from said low DC voltage; and
a traction boost converter adapted for boosting said low DC voltage to produce said high DC voltage, said motor drive comprising;
a power battery adapted for storing energy and delivering power at said high DC voltage; and
a traction converter adapted for generating said motor voltage from said high DC voltage during motoring operation and for generating said high DC voltage from said motor voltage during braking operation. - View Dependent Claims (53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68)
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Specification